Apache ZooKeeper Server Source Code

Apache ZooKeeper is an open-source server which enables highly reliable distributed coordination.

Apache ZooKeeper Server Source Code files are provided in the source packge (apache-zookeeper-3.7.0.tar.gz). You can download it at Apache ZooKeeper Website.

You can also browse Apache ZooKeeper Server Source Code below:

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 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *     http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
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package org.apache.zookeeper.cli;

import static java.nio.charset.StandardCharsets.UTF_8;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.DefaultParser;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.ParseException;
import org.apache.zookeeper.KeeperException;
import org.apache.zookeeper.data.Stat;

 * set command for cli
public class SetCommand extends CliCommand {

    private static Options options = new Options();
    private String[] args;
    private CommandLine cl;

    static {
        options.addOption("s", false, "stats");
        options.addOption("v", true, "version");

    public SetCommand() {
        super("set", "[-s] [-v version] path data");

    public CliCommand parse(String[] cmdArgs) throws CliParseException {
        DefaultParser parser = new DefaultParser();
        try {
            cl = parser.parse(options, cmdArgs);
        } catch (ParseException ex) {
            throw new CliParseException(ex);
        args = cl.getArgs();
        if (args.length < 3) {
            throw new CliParseException(getUsageStr());

        return this;

    public boolean exec() throws CliException {
        String path = args[1];
        byte[] data = args[2].getBytes(UTF_8);
        int version;
        if (cl.hasOption("v")) {
            version = Integer.parseInt(cl.getOptionValue("v"));
        } else {
            version = -1;

        try {
            Stat stat = zk.setData(path, data, version);
            if (cl.hasOption("s")) {
                new StatPrinter(out).print(stat);
        } catch (IllegalArgumentException ex) {
            throw new MalformedPathException(ex.getMessage());
        } catch (KeeperException | InterruptedException ex) {
            throw new CliWrapperException(ex);
        return false;




⇒ Apache ZooKeeper Jute Source Code

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⇑⇑ FAQ for Apache ZooKeeper

2018-10-18, 29209👍, 1💬